@charset 'utf-8';

html,body{
    position: relative;
    width: 100%;
    height: 100%;
}
header{
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
}
.nav{
    width: 100%;
    height: 4.5rem;
    background-color: #b20000;
    overflow: hidden;
}
.nav_btn{
    width: 1.5rem;
    height: 1.2rem;
//  background: white;
    float: left;
    margin-top: 1.5rem;
    margin-left: 1rem;
}
.nav_btn img{
    width: 100%;
    height: 100%;
}
.nav_search{
    width: 2.1rem;
    height: 2.1rem;
//  background-color: white;//颜色填充，记得删除
    border-radius: 50%;
    border: 1px solid #f6e0e0;
    float: right;
    margin-top: 1.2rem;
    margin-right: 0.75rem;
    text-align: center;
}
.nav_search img{
    width: 80%;
    height: 60%;
    margin-top: 0.2rem;
}
.nav_logo{
    width: 13.2rem;
    height: 2rem;
//  background-color: white;
    display: block;
    margin: 0 auto;
    margin-top: 1.25rem;
}
.nav_logo img{
    width: 100%;
    height: 100%;
}
footer{
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4.8rem;
    background-color: #f5f5f5;
}
.foot_box{
    width: 20%;
    float: left;
    text-align: center;
    border-right: 1px solid #e8e8e8;
    margin-top: 1rem;
}
.foot_box img{
    width: 2.1rem;
    height: 2.3rem;  
}
.foot_box a{
    color: #bebebe;
}

